Find a tall ,tall rock or cliff and shoot from there. Be sure to check around you every once in a while to be sure you are safe from other dinos. Put a scope on your rifle and use Tranq dart bullets. Also don't forget to have a stack of Narcotics in your inventory to help keep Rex knocked out. Good luck! ๐Ÿ––โœŒ๐Ÿฆ–

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